Audio Gain & Attenuation
Adjust Video Volume Online Free (Boost up to 500%)
Boost quiet dialogue or reduce loud background music with lossless video stream copy in your browser.
Lossless Video Stream Copy
Only the audio channel is modified. Video frames are copied directly with zero re-encoding time.
100% In-Browser WASM
Audio normalization and gain run directly inside your browser without uploading to external servers.
Up to 500% Volume Boost
Rescue recordings with quiet microphones or reduce overpowering music volume instantly.